Synaptotagmin II

Medical Dictionary -> Synaptotagmin II

Synaptotagmin II


A vesicular transport protein that was originally characterized as an inositol polyphosphate binding protein. Synaptotagmin II helps regulate EXOCYTOSIS of SYNAPTIC VESICLES and appears to serve as a calcium sensor to trigger NEUROTRANSMITTER release. It also acts as a nerve cell receptor for certain BOTULINUM TOXINS.


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